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Updated: Oct 17, 2025

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach
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Modular Total Femur Replacement for Staged Total Femur Replacement.

Tat Woon Chao1, Yi Deng1,2, Varsha Sivalingam3

  • 1Department of Orthopaedic Surgery, Canberra Hospital, Garran, ACT, Australia.

Arthroplasty Today
|October 14, 2021
PubMed
Summary
This summary is machine-generated.

This study presents a novel, modular technique for fabricating custom total femur spacers during two-stage revision arthroplasty. This approach enhances patient rehabilitation and reduces operative time for complex prosthetic joint infections.

Keywords:
Cement spacerProsthetic joint infectionRevision hip replacementRevision knee replacementTotal femur replacement

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Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Infectious Disease

Background:

  • Increasing rates of total femur replacement lead to a rise in prosthetic joint infections, posing significant challenges.
  • Current treatment for these infections often involves two-stage revision, but lacks specialized antibiotic cement spacers for the femur.
  • Existing methods for femur spacer fabrication are limited, creating a need for innovative solutions.

Purpose of the Study:

  • To introduce and describe a novel technique for intraoperative fabrication of a modular total femur spacer.
  • To address the limitations of commercially unavailable spacers for total femur replacement revisions.
  • To provide a customizable and efficient solution for managing prosthetic joint infections in total femur arthroplasty.

Main Methods:

  • Development of a modular component system for intraoperative fabrication of total femur spacers.
  • Intraoperative assembly of custom-fit spacers tailored to individual patient anatomy.
  • Utilizing modular components allows for simultaneous preparation by different surgical team members.

Main Results:

  • The described technique allows for the intraoperative creation of a highly customizable total femur spacer.
  • The modular design facilitates efficient assembly, potentially reducing overall operative time.
  • The inherent stability of the fabricated spacer enables immediate partial weight-bearing and functional rehabilitation.

Conclusions:

  • The novel modular total femur spacer technique offers a unique, customizable solution for challenging two-stage revision arthroplasty cases.
  • This method addresses the unmet need for specialized spacers in total femur replacements, improving patient outcomes.
  • The technique supports enhanced functional recovery during the interval between revision stages.